Side Effects of Using a CPAP Machine

Continuous Positive Airway Pressure (CPAP) machines are the most effective nonsurgical treatment for obstructive sleep apnea in adults, according to the American Academy of Otolaryngology. However, using a CPAP machine may cause of number of side effects, especially during the first few weeks or months of therapy. These side effects cause some people to discontinue use of their CPAP machine. Most CPAP side effects disappear with continued treatment or with adjustments to the shape or size of the CPAP mask.

Dry Mouth

Breathing through your mouth during sleep, combined with the constant flow of dry, pressurized air into your airways, may cause dry mouth. Using a chinstrap will help hold your mouth closed, and the addition of a CPAP humidifier to your machine will moisturize incoming air.

Skin Irritation

Skin rashes and sores usually develop as results of poorly fitted or unclean CPAP masks. Regular cleanings and a different style of mask should alleviate this side effect.

Nasal Congestion and Nose Bleeds

Nasal congestion is the most common CPAP side effect, but using a heated humidifier should help. Saline or steroid nasal sprays are also beneficial. Report severe nosebleeds to your doctor.

Sleeping Difficulties

Trouble sleeping during CPAP use typically results from back sleeping, mask discomfort or noise from the CPAP machine. Changing sleeping positions, using a different mask or wearing earplugs in bed may help.

Abdominal Bloating

Abdominal bloating, belching and chest discomfort may result from swallowing air during CPAP use. Gradually increasing air pressure over a set period of time should help these side effects.

References

• American Academy of Otolaryngology
• American Academy of Family Physicians
• American Sleep Apnea Association

Resources

• Mayo Clinic - CPAP Problems and Solutions

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